May 14, 2010A18:38:26 UT Orbit-1 Orbital elements: C/2010 J5 (McNaught) = RJ44D19 T 2011 June 19.97346 TT Sato q 1.356679 (2000.0) P Q Peri. 295.6721 +0.9631171 +0.0091467 Node 64.8186 +0.1302902 +0.8585990 e 1.0 Incl. 17.2876 -0.2354356 +0.5125661 From 19 observations 2010 May 12-14, mean residual 0".44. Residuals in seconds of arc 100512 E12 0.9+ 0.4- 100513 E12 0.2- 0.1+ 100514 D96 0.5- 0.8+ 100512 E12 0.4+ 0.9+ 100513 E12 0.2- 0.5- 100514 D96 0.3+ 0.6+ 100512 E12 0.4- 0.1- 100514 E12 0.2+ 0.4- 100514 D96 0.8- 0.0 100512 E12 0.2+ 0.5+ 100514 E12 0.3- 0.2- 100514 D90 0.1- 0.2+ 100512 E12 0.4- 0.2- 100514 D90 0.9+ 0.1+ 100514 D90 0.2- 0.1+ 100512 E12 0.2- 0.3- 100514 D90 0.4+ 0.6- 100512 E12 0.4- 0.2- 100514 D90 0.3+ 0.4- Orbit-2 Orbital elements: C/2010 J5 (McNaught) = RJ44D19 T 2009 Nov. 2.15644 TT Sato q 2.145809 (2000.0) P Q Peri. 108.7381 -0.9944918 -0.0802297 Node 66.7059 +0.0442885 -0.9048846 e 1.0 Incl. 4.2113 +0.0949982 -0.4180275 From 19 observations 2010 May 12-14, mean residual 0".46. Residuals in seconds of arc 100512 E12 0.2+ 0.4- 100513 E12 0.4+ 0.4+ 100514 D96 0.5- 0.7+ 100512 E12 0.1- 1.0+ 100513 E12 1.2+ 0.4- 100514 D96 0.4+ 0.6+ 100512 E12 0.8- 0.1- 100514 E12 0.8- 0.4- 100514 D96 0.6- 0.0 100512 E12 0.1- 0.5+ 100514 E12 0.5- 0.1- 100514 D90 0.0 0.2+ 100512 E12 0.1- 0.3- 100514 D90 0.7+ 0.0 100514 D90 0.0 0.0 100512 E12 0.1+ 0.4- 100514 D90 0.2+ 0.6- 100512 E12 0.0 0.3- 100514 D90 0.2+ 0.4- May 14, 2010A16:38:57 UT Orbital elements: RJ44D19 T 2011 July 24.1720 TT Sato q 1.069474 (2000.0) P Q Peri. 306.3827 +0.9181051 -0.1445553 Node 64.6454 +0.3338577 +0.7838655 e 1.0 Incl. 24.1026 -0.2135934 +0.6038697 From 14 observations 2010 May 12-14, mean residual 0".38. --